Smbus Connector; Front Panel Connector - DFI AL051-TC-E3930 User Manual

SMBus Connector

SMBus
5 1
6 2
The System Management Bus (SMBus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
Chapter 2 Hardware Installation
Chapter 2

Front Panel Connector

2 4 6
1 3 5
HDD-LED - HDD LED
This LED will light when the hard drive is being accessed.
RESET-SW - Reset Button
This switch allows you to reboot without having to power off the system.
PWR-BTN - Power Button
This switch is used to power on or off the system.
PWR-LED - Power/Standby LED
When the system's power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
Pin Pin Name
6 HDD_LED
HDD-LED
3
GND
4 SUS_LED
PWR-LED
2 V_LED
21
Front
Panel
Pin Pin Name
5 Reset Button
RESET-
SW
3 GND
1 Power Button
PWR-BTN
3
GND
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